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GOODWILL AND OTHER INTANGIBLE ASSETS Textuals (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jul. 07, 2017
Jan. 20, 2017
Jul. 31, 2017
Jul. 31, 2016
Jul. 31, 2017
Jul. 31, 2016
Finite-Lived Intangible Assets            
Additions to goodwill         $ 76  
Addition to other intangible assets         52  
Foreign exchange translation impact to other intangible assets         4  
Fully amortized intangible assets removed         131  
Impairment of IPR&D     $ 0 $ 4 0 $ 4
Goodwill impairment         0  
Amortization of intangible assets during the period     $ 27 $ 37 $ 89 $ 120
Cobalt            
Acquisition            
Purchase price of acquisition $ 53          
Multiplicom            
Acquisition            
Purchase price of acquisition   $ 72